KR960015010B1 - 게인제어앰프 - Google Patents

게인제어앰프 Download PDF

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Publication number
KR960015010B1
KR960015010B1 KR1019870006626A KR870006626A KR960015010B1 KR 960015010 B1 KR960015010 B1 KR 960015010B1 KR 1019870006626 A KR1019870006626 A KR 1019870006626A KR 870006626 A KR870006626 A KR 870006626A KR 960015010 B1 KR960015010 B1 KR 960015010B1
Authority
KR
South Korea
Prior art keywords
clamp
circuit
signal
gain
transistor
Prior art date
Application number
KR1019870006626A
Other languages
English (en)
Korean (ko)
Other versions
KR880002319A (ko
Inventor
류이치로 가와이
Original Assignee
소니 가부시키가이샤
오가 노리오
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 소니 가부시키가이샤, 오가 노리오 filed Critical 소니 가부시키가이샤
Publication of KR880002319A publication Critical patent/KR880002319A/ko
Application granted granted Critical
Publication of KR960015010B1 publication Critical patent/KR960015010B1/ko

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Classifications

    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03GCONTROL OF AMPLIFICATION
    • H03G3/00Gain control in amplifiers or frequency changers
    • H03G3/20Automatic control
    • H03G3/30Automatic control in amplifiers having semiconductor devices
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03GCONTROL OF AMPLIFICATION
    • H03G3/00Gain control in amplifiers or frequency changers
    • H03G3/20Automatic control
    • H03G3/30Automatic control in amplifiers having semiconductor devices
    • H03G3/3036Automatic control in amplifiers having semiconductor devices in high-frequency amplifiers or in frequency-changers
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00Details of television systems
    • H04N5/44Receiver circuitry for the reception of television signals according to analogue transmission standards
    • H04N5/52Automatic gain control
    • H04N5/53Keyed automatic gain control

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Picture Signal Circuits (AREA)
  • Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
KR1019870006626A 1986-07-19 1987-06-29 게인제어앰프 KR960015010B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP61170330A JP2536484B2 (ja) 1986-07-19 1986-07-19 ゲインコントロ−ルアンプ
JP170330 1986-07-19
JP86-170330 1986-07-19

Publications (2)

Publication Number Publication Date
KR880002319A KR880002319A (ko) 1988-04-30
KR960015010B1 true KR960015010B1 (ko) 1996-10-23

Family

ID=15902943

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019870006626A KR960015010B1 (ko) 1986-07-19 1987-06-29 게인제어앰프

Country Status (5)

Country Link
US (1) US4751577A (de)
EP (1) EP0255274B1 (de)
JP (1) JP2536484B2 (de)
KR (1) KR960015010B1 (de)
DE (1) DE3788685T2 (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4937670A (en) * 1989-01-31 1990-06-26 Rca Licensing Corporation Peak detector with feedback
GB9002788D0 (en) * 1990-02-08 1990-04-04 Marconi Co Ltd Circuit for reducing distortion produced by an r.f.power amplifier
DE69028994T2 (de) * 1990-12-06 1997-04-10 Sony Corp., Tokio/Tokyo Rückgekoppelte klemmschaltung
JPH05292346A (ja) * 1992-04-06 1993-11-05 Sony Corp 映像信号処理回路
JPH0678243A (ja) * 1992-08-04 1994-03-18 Sony Corp コントラストコントロール回路
JPH0851643A (ja) * 1994-08-05 1996-02-20 Matsushita Electric Ind Co Ltd 調整用制御回路とカットオフ・ドライブ調整回路と映像機器
EP0920195A1 (de) * 1997-11-28 1999-06-02 Koninklijke Philips Electronics N.V. Vorrichtung zum Gewinnen und Verstärken von elektronischen Signalen
WO2022079536A1 (en) 2020-10-13 2022-04-21 Alcon Inc. Beam detection with dual gain

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3557305A (en) * 1968-03-06 1971-01-19 Bell & Howell Co Dc restoration and white clipping circuit for video recorder
JPS5754983B2 (de) * 1974-04-19 1982-11-20
JPS602509B2 (ja) * 1976-08-24 1985-01-22 株式会社ボッシュオートモーティブ システム ジ−ゼルエンジン用の電子式燃料制御装置
JPS5429919A (en) * 1977-08-10 1979-03-06 Hitachi Ltd Video signal processing circuit
FR2406922A1 (fr) * 1977-10-21 1979-05-18 Thomson Csf Dispositif d'expansion de contraste video et systeme comportant un tel dispositif
JPS5947909B2 (ja) * 1978-11-10 1984-11-22 松下電器産業株式会社 同期分離装置
US4318129A (en) * 1980-06-30 1982-03-02 Hughes Aircraft Company Automatic level and gain control system
US4378569A (en) * 1980-07-18 1983-03-29 Thales Resources, Inc. Sound pattern generator
US4470067A (en) * 1980-12-27 1984-09-04 Japan Broadcasting Corp. Automatic gain control apparatus
JPS57131175A (en) * 1981-02-06 1982-08-13 Nec Corp Video signal clamping circuit
JPS57173284A (en) * 1981-04-17 1982-10-25 Hitachi Ltd Automatic gain controller
US4516042A (en) * 1982-06-30 1985-05-07 Tektronix, Inc. Clamp circuits
JPS6059675U (ja) * 1983-09-30 1985-04-25 株式会社東芝 映像利得調整回路

Also Published As

Publication number Publication date
EP0255274B1 (de) 1994-01-05
DE3788685T2 (de) 1994-05-11
EP0255274A3 (en) 1989-11-23
KR880002319A (ko) 1988-04-30
JPS6327166A (ja) 1988-02-04
EP0255274A2 (de) 1988-02-03
DE3788685D1 (de) 1994-02-17
US4751577A (en) 1988-06-14
JP2536484B2 (ja) 1996-09-18

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Payment date: 20060929

Year of fee payment: 11

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